Kids' shoe sizes by brand

C means child or little-kid sizes; Y means youth or big-kid sizes. Brands label them differently: Nike 10C, Adidas 10k, Asics K10 and Crocs C10/J1, while many brands print no letter. Sizes restart at 1 after 13.5.

EU sizes by brand

Cells show EU sizes, or UK where a brand publishes no EU. A dash means no value is published.

Pink: a different EU size from the most common EU in that row.

US Kids	Nike	Adidas	New Balance	Asics	Saucony	On	Puma	Vans	Skechers	Under Armour	Timberland	Dr. Martens	Clarks (UK)	Birkenstock	Crocs
0C	–	–	15	–	15	–	–	–	–	–	15	–	–	–	–
1C	16	16	16	–	16.5	–	–	16	16	16	16	16	–	–	–
2C	17	17	17	–	17.5	–	–	17	17	17	17	17	–	–	17-18
2.5C	–	–	18	–	18	–	–	17.5	–	–	18	–	2	–	–
3C	18.5	18	18.5	–	18.5	–	–	18	18.5	18.5	18.5	18	3.5	–	18-19
3.5C	–	–	19	–	19	–	–	18.5	–	–	19	–	3	–	–
4C	19.5	19	20	–	19.5	–	19	19	19.5	19.5	20	19	3.5	–	19-20
4.5C	–	–	20.5	–	20.5	–	–	20	–	–	20.5	–	3	–	–
5C	21	20	21	21	21	–	20	21	20.5	21	21	20	4.5	–	20-21
5.5C	–	21	21.5	–	21.5	–	–	21.5	21	–	22	21	5	–	–
6C	22	22	22.5	22.5	22	–	22	22	21.5	22	22.5	21.5	5.5	24	21-22
6.5C	–	23	23	–	23	–	–	22.5	22	–	23	22	6	–	–
7C	23.5	23.5	23.5	23.5	23.5	–	23	23.5	22.5	23.5	23.5	23	6.5	25	22-23
7.5C	–	24	24	–	24	–	–	24	23	–	24	–	7	–	–
8C	25	25	25	25	25	–	24	24.5	24	25	25	24	7.5	26	23-24
8.5C	–	25.5	25.5	–	25.5	–	–	25	25	–	25.5	25	8	–	–
9C	26	26	26	26	26	–	25	25.5	25.5	26	26	26	8.5	27	24-25
9.5C	–	26.5	26.5	–	26.5	–	–	26	26	–	26.5	–	9	–	–
10C	27	27	27.5	27	27.5	–	27	26.5	26.5	27	27	27	9.5	28	25-26
10.5C	27.5	28	28	–	28	27.5	27.5	27	27	27.5	28	–	10	–	–
11C	28	28.5	28.5	28.5	28.5	28.5	28	27.5	27.5	28	28.5	28	10.5	29	26-27
11.5C	28.5	29	29	–	29	29	–	28	28	29	29	28.5	11	–	–
12C	29.5	30	30	30	30	29.5	29	29	28.5	29.5	30	29	11.5	30	27-28
12.5C	30	30.5	30.5	–	30.5	30	–	30	29	30	30.5	30	12	–	–
13C	31	31	31	31.5	31	31	31	30.5	30	31	31	31	12.5	31	28-29
13.5C	31.5	31.5	32	–	32	31.5	–	31	31	31.5	32	–	13	–	–
1Y	32	32	32.5	32.5	32.5	32	32	31.5	32	32	32.5	32	13.5	32	29-30
1.5Y	33	33	33	–	33	33	32.5	32	33	33	33	–	1	–	–
2Y	33.5	33.5	33.5	33.5	33.5	33.5	33	32.5	33.5	33.5	34	33	1.5	33	30-31
2.5Y	34	34	34.5	–	34.5	34	34	33	34	34	34.5	33.5	2	–	–
3Y	35	35	35	35	35	35	34.5	34	35	35	35	34	2.5	34	31-32
3.5Y	35.5	35.5	35.5	–	35.5	35.5	35	34.5	35.5	35.5	35.5	35	3	–	–
4Y	36	36	36	36	36	36	35.5	35	36	36	36	36	3.5	–	32-33
4.5Y	36.5	36 2/3	37	–	37	36.5	36	36	36.5	36.5	37	–	4	–	–
5Y	37.5	37 1/3	37.5	37.5	37.5	37.5	37	36.5	37	37.5	37.5	–	4.5	–	33-34
5.5Y	38	38	38	–	38	38	37.5	37	37.5	38	38	–	–	–	–
6Y	38.5	38 2/3	38.5	39	38.5	38.5	38	38	38	38.5	39	–	–	–	35-36
6.5Y	39	39 1/3	39	–	39.5	39	38.5	–	39	39	39.5	–	–	–	–
7Y	40	40	40	40	40	–	39	–	40	40	40	–	–	–	–

Converse, Hoka and Reebok publish kids' sizes as US and foot length only; see their brand pages.

Brooks and Salomon don't publish a kids' size chart.

Kids' shoe sizes by brand

EU sizes by brand

Sources